Massachusetts Association of Boards of Health, American Public Health Association. Laboratory Section, & American Public Health Association. (1907). American journal of public hygiene: Official organ of the Massachusetts Association of Boards of Health and of the American Public Health Association, Laboratory Section. B.R. Rickards.
Lua i Stíl Chicago (17ú heag.)Massachusetts Association of Boards of Health, American Public Health Association. Laboratory Section, agus American Public Health Association. American Journal of Public Hygiene: Official Organ of the Massachusetts Association of Boards of Health and of the American Public Health Association, Laboratory Section. Boston, Mass.: B.R. Rickards, 1907.
Lua MLA (8ú heag.)Massachusetts Association of Boards of Health, et al. American Journal of Public Hygiene: Official Organ of the Massachusetts Association of Boards of Health and of the American Public Health Association, Laboratory Section. B.R. Rickards, 1907.